package com.houserant.view;

import com.houserant.domain.House;
import com.houserant.service.HouseService;
import com.houserant.utils.Utility;

/**
 * 1.显示界面
 * 2.接收用户的输入
 * 3.调用HouseService完成对房屋信息的各种操作
 */

public class HouseView {
    private boolean loop = true;//控制显示菜单
    private char key = ' ';//接收用户选择
    private HouseService houseService = new HouseService(2);//设置数组的大小为2

    //根据id修改房屋信息
    public void Update(){
        System.out.println("==============修改房屋信息==============");
        System.out.println("请选择待修改房屋编号(-1表示退出)");
        int updateId = Utility.readInt();
        if (-1 == updateId) {
            System.out.println("=============你放弃修改房屋信息================");
            return ;
        }

        //根据输入得到的updateId，查找对象
        House house = houseService.findById(updateId);//返回的是引用类型[即：就是数组的元素]
        if (house == null) {
            System.out.println("==============修改房屋信息编号不存在。。==============");
            return;
        }

        System.out.print("姓名("+ house.getName() +")");
        String name = Utility.readString(8,"");
        if (!"".equals(name)) {
            house.setName(name);
        }
        System.out.print("电话(" + house.getPhone() + ")");
        String phone = Utility.readString(12,"");
        if (!"".equals(phone)){
            house.setPhone(phone);
        }
        System.out.print("地址(" + house.getAddress() + "):");
        String address = Utility.readString(18,"");
        if (!"".equals(address)) {
            house.setAddress(address);
        }
        System.out.print("租金(" + house.getRent() + "):");
        int rent = Utility.readInt(-1);
        if (rent != -1) {
            house.setRent(rent);
        }
        System.out.print("状态(" + house.getState() +")");
        String state = Utility.readString(3, "");
        if (!"".equals(state)){
            house.setState(state);
        }
        System.out.println("==============修改房屋信息成功==============");



    }

    //根据id查找房屋信息
    public void findHouse(){
        System.out.println("===========查找房屋信息============");
        System.out.print("请输入要查找的id：");
        int findId =  Utility.readInt();
        //调用方法
        House house = houseService.findById(findId);
        if (house != null) {
            System.out.println(house);
        }else{
            System.out.println("===========查找房屋信息id不存在============");
        }

    }

    //完成退出确认
    public void exit(){
        //这里我们使用Utility提供方法，完成确认
        char c = Utility.readConfirmSelection();
        if (c == 'Y') {
            loop = false;
        }
    }

    //编写delHouse()接收输入的id，调用Service的del方法
    public void delHouse(){
        System.out.println("=========删除房屋信息=========");
        System.out.print("请输入待删除房屋的编号(-1退出)：");
        int delId = Utility.readInt();
        if (delId == -1) {
            System.out.println("=========放弃删除房屋信息==========");
            return;
        }

        //注意该方法本身就有循环判断的逻辑，必须输出Y/N
        char choice =  Utility.readConfirmSelection();
        if(choice == 'Y'){//真的删除
            if (houseService.del(delId)) {
                System.out.println("=========删除房屋信息成功=========");
            }else{
                System.out.println("=========房屋编号不存在，删除失败=========");
            }

        }else{
            System.out.println("=========放弃删除房屋信息==========");
        }
    }


    //编写addHouse()接收输入，创建House对象，调用add方法
    public void addHouse(){
        System.out.println("==========添加房屋=========");
        System.out.print("姓名：");
        String name = Utility.readString(8);
        System.out.print("电话：");
        String phone = Utility.readString(12);
        System.out.print("地址：");
        String address = Utility.readString(16);
        System.out.print("月租：");
        int rent = Utility.readInt();
        System.out.print("状态：");
        String state = Utility.readString(3);
        //创建新的House对象，注意id 是系统分配的
        House newHouse = new House(0, name, phone, address, rent, state);
        if(houseService.add(newHouse)){
            System.out.println("==========添加房屋成功===========");
        }else{
            System.out.println("==========添加房屋失败===========");
        }
    }

    //编写listHouses()显示房屋列表
    public void  listHouses(){
        System.out.println("==========房屋列表========");
        System.out.println("编号\t\t房主\t\t电话\t\t地址\t\t月租\t\t状态(未出租/已出租)");
        House[] houses = houseService.list();//得到所有房屋信息

        for (int i = 0; i < houses.length; i++) {
            if (houses[i] == null) {
                break;
            }
            System.out.println(houses[i]);
        }
        System.out.println("======房屋列表显示完毕======");


    }

    //显示主菜单
    public void mainMenu(){

        do{
            System.out.println("=============房屋出租系统菜单=============");
            System.out.println("\t\t\t1 新 增 房 源");
            System.out.println("\t\t\t2 查 找 房 屋");
            System.out.println("\t\t\t3 删 除 房 屋 信 息");
            System.out.println("\t\t\t4 修 改 房 屋 信 息");
            System.out.println("\t\t\t5 房 屋 列 表");
            System.out.println("\t\t\t6 退      出");
            System.out.print("请输入你的选择（1-6）：");
            key = Utility.readChar();
            switch(key){
                case '1':
                    addHouse();
                    break;
                case '2':
                    findHouse();
                    break;
                case '3':
                    delHouse();
                    break;
                case '4':
                    Update();
                    break;
                case '5':
                    System.out.println("房 屋 列 表");
                    listHouses();
                    break;
                case '6':
                    exit();
                    break;
            }

        }while (loop);
    }
}
